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3.7 * In the system of problem (3.5), suppose we immerse the system in a damping fluid so that γ 0 7 r-6) ( = with y = 15-1, and that an external force of the following form is applied (in dynes): = > F(t) = f coswt = (6) 0 COS wt. = Find and graph the average power lost to the frictional force as a function of w from w = 0 to 10 s-1
3.5. Consider the longitudinal oscillations of the system shown below: 15 dyne 90 dyne 10 dyne cm cm cm leeeeeeeeee 2 fleece 2
The blocks are free to slide horizontally without friction. The displacements of the blocks from equilibrium are both measured to the right. Block 1 has a mass of 15 grams and block 2 a mass of 10 grams. The spring constants of the springs are shown in dynes/cm.